WorkSessionCreatedEvent

EventType: WORK_SESSION_CREATEDDomain: work_session Broker subject: progress.notification.production

Inserts a new WorkSession document linking an operator to their active batch on a job. Each time an operator starts or resumes a job, a new work session is created. The session records user, job, batch, phase, product, work order, and an optional end timestamp for pre-set session limits.

Trigger

Triggered by: POST /event (universal event dispatcher)

Spawned as a child event by JobStartedEvent (initial session) and by JobResumedEvent (resumed session) in backend/api/events/production/.

Preconditions

• Job exists with key info.job_key
• Batch exists with key info.batch_key
• User exists with key info.user_key

State Changes (Transaction)

Collections: WorkSession

• WorkSession document inserted with all provided keys and timestamps

Side Effects (post_processing)

Inherits post_processing() from BaseProductionEvent:

• Updates job.last_online
• Recalculates work order status
• Publishes to progress.notification.production

InfoModel Fields

Field	Type	Description
user_key	str	ArangoDB key of the operator
user_session_key	str | None	Optional external user session key
job_key	str	ArangoDB key of the job
batch_key	str	ArangoDB key of the active batch
work_order_key	str	ArangoDB key of the work order
phase_key	str	ArangoDB key of the production phase
product_key	str	ArangoDB key of the product
work_session_end	datetime | None	Pre-set session end time (for timed sessions)
forced	bool | None	Whether the session was created by an administrative override

Related Events

None.

Source

WorkSessionCreatedEvent on GitHub